... thanks for reminding me of "Last bar to print." I had completely forgotten about it.

And I had forgotten that this function is also available in Print Options [Ctrl Shft P].

If you set this to print only bars 2 to 6, then a right-click in the bar header for bar 2 shows First bar to print is ticked. However, a right-click in the bar header for bar 6 shows Last bar to print is not ticked.

I was puzzled by a score that showed only a few bars in Page Mode, but a right-click in the bar header did not indicate Last bar to print.

By ticking Last bar to print, all the bars appeared Une brève traduction avec l'aide de M. Google ...

The process is reversible; if you set the first and last bars to print using the control handles, the Printing Options screen changes, and vice versa. The last bar is never checked, but it can be changed with a click, nevertheless.